Geopolymer concrete/mortar is the new development in field of building constructions which cement totally replaced by pozzolanic material like fly ash and activated alkaline solution. This paper presented effect concentration sodium hydroxide, temperature, duration oven heating on compressive strength ash-based geopolymer mortar. Sodium silicate solution containing Na 2 O 16.45%, SiO 34.35%, H 49.20% hydroxide 2.91, 5.60, 8.10, 11.01, 13.11, 15.08. Moles concentrations were used as...

Geopolymer is a new invention in the world of concrete which cement totally replaced by pozzolanic material that rich silica and alumina like fly ash activated alkaline liquids to act as binder concrete. Experimental investigation has been carried out study effect water-to-geopolymer ratio on workability terms flow compressive strength tested after heat curing oven at 900C for 8 hours duration. Activated liquid 0.35 mass was maintained constant basis past research. Sodium silicate solution...

Plenty of research papers are available on the static and free vibration analysis single-layer FG shells, however, literature FGM sandwich shells double curvature is limited. Especially, authors have not found any paper hyperbolic elliptical paraboloid shells. Therefore, shallow with analyzed in this study for conditions. Face sheets made up functionally graded material whereas core isotropic material. A considered herein a combination alumina aluminum. Sandwich rectangular planform modeled...

A Hyperbolic Shear Deformation Theory (HPSDT) taking into account transverse shear deformation effects, is used for the static flexure analysis of thick isotropic beams. The displacement field theory contains two variables. hyperbolic sine function in terms thickness coordinate to represent deformation. stress can be obtained directly from use constitutive relations, satisfying stress-free boundary conditions at top and bottom beam. Hence, obviates need correction factor. Governing...

This paper presents the uniaxial and biaxial buckling analysis of rectangular plates based on new trigonometric shear normal deformation theory. The theory accounts for cosine distribution transverse strain through plate thickness free boundary conditions surfaces without using correction factor. Governing equations are derived by principle virtual work. Navier type solutions simply supported isotropic, transversely orthotropic symmetric cross-ply laminated composite subjected to...

Abstract A trigonometric beam theory (TBT) is developed for the bending analysis of laminated composite and sandwich beams considering effect transverse shear deformation. The axial displacement field uses function in terms thickness coordinate to include considered as a sum two partial displacements, due shearing. Governing equations boundary conditions are obtained by using principle virtual work. To demonstrate validity present it applied beams. numerical results displacements stresses...

In this paper, a displacement-based unified shear deformation theory is developed for the analysis of deformable advanced composite beams and plates. The with inclusion parabolic (PSDT), trigonometric (TSDT), hyperbolic (HSDT) exponential (ESDT) shape functions in terms thickness coordinate to account effect transverse deformation. in-plane displacements consider combined bending rotation rotation. use function present leads Reddy’s theory, but trigonometric, are first time used displacement...

In the present study, a simple four-variable trigonometric shear deformation theory considering effects of transverse and rotary inertia is evaluated for free vibration analysis antisymmetric laminated composite soft core sandwich plates. The displacement-based equivalent single-layer in which in-plane displacements use function terms thickness coordinate, calculating out-of-plane shearing strains. number unknown variables involved only four as against five or more than case other higher...

A Hyperbolic Shear Deformation Theory taking into account transverse shear deformation effects, is presented for the static flexure and free flexural vibration analysis of thick isotropic beams. The displacement field theory contains two variables does not require correction factor. hyperbolic sine function used in terms thickness coordinate to represent deformation. most important feature that stress can be obtained directly from use constitutive relation, satisfying boundary conditions at...

In this paper a trigonometric shear deformation theory is presented for the free vibration of thick orthotropic square and rectangular plates. displacement based in-plane field uses sinusoidal function in terms thickness coordinate to include effect. The cosine used transverse effect normal strain. most important feature that stress can be obtained directly from constitutive relations satisfying surface conditions on top bottom surfaces plate. Hence obviates need correction factor. Governing...

A trigonometric shear deformation theory (TSDT) taking into account transverse effect as well normal strain is presented. The inplane displacement field uses sinusoidal function in terms of thickness coordinate to include the effect. cosine coordinates used strain. Governing equations and boundary conditions are obtained using principle virtual work. results displacements stresses for static flexure simply supported symmetric anti-symmetric cross-ply laminated square plates subjected...